public class Circle {
    private double radius;
    public Circle(double r) { this.radius = r; }
    public double getCircumference() { 
        return Math.round(2 * Math.PI * radius * 100.0) / 100.0; 
    }
    public double getArea() { 
        return Math.round(Math.PI * radius * radius * 100.0) / 100.0; 
    }
}
